2312133205155 has 8 divisors (see below), whose sum is σ = 3699413128272. Its totient is φ = 1233137709408.

The previous prime is 2312133205147. The next prime is 2312133205201. The reversal of 2312133205155 is 5515023312132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2312133205155 - 2³ = 2312133205147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77071106824 + ... + 77071106853.

It is an arithmetic number, because the mean of its divisors is an integer number (462426641034).

Almost surely, 2^{2312133205155} is an apocalyptic number.

2312133205155 is a deficient number, since it is larger than the sum of its proper divisors (1387279923117).

2312133205155 is a wasteful number, since it uses less digits than its factorization.

2312133205155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154142213685.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 2312133205155 its reverse (5515023312132), we get a palindrome (7827156517287).

The spelling of 2312133205155 in words is "two trillion, three hundred twelve billion, one hundred thirty-three million, two hundred five thousand, one hundred fifty-five".